cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A152193 Triangle read by rows, A034839 * (A027826 * 0^(n-k)).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 3
6 1
7 6
8 2
9 1
10 10
11 10
12 1
13 15
14 30
15 4
16 1
17 21
18 70
19 28
20 1
21 28
22 140
23 112
24 9
25 1
26 36
27 252
28 336
29 81
30 1
31 45
32 420
33 840
34 405
35 21
36 1
37 55
38 660
39 1848
40 1485
41 231
42 1
43 66
44 990
45 3696
46 4455
47 1386
48 50

List of values

[1, 1, 1, 1, 1, 3, 1, 6, 2, 1, 10, 10, 1, 15, 30, 4, 1, 21, 70, 28, 1, 28, 140, 112, 9, 1, 36, 252, 336, 81, 1, 45, 420, 840, 405, 21, 1, 55, 660, 1848, 1485, 231, 1, 66, 990, 3696, 4455, 1386, 50]